Dialogos

British Nuclear Submarine with Tomahawk in the Arabian Sea

Published March 22, 2026, 07:01
British Nuclear Submarine with Tomahawk in the Arabian Sea

Britain has deployed a nuclear submarine, equipped with Tomahawk cruise missiles, to the Arabian Sea amid rising tensions with Iran. The submarine, which departed from Perth earlier this month, has traveled approximately 5,500 nautical miles to the Middle East. This deployment follows Downing Street's approval for the United States to use British bases to attack Iranian positions threatening the Strait of Hormuz. The Arabian Sea, where the British submarine is positioned, connects to the Persian Gulf via the Gulf of Oman and the Strait of Hormuz, as well as to the Red Sea via the Gulf of Aden and the Bab el-Mandeb Strait. The presence of the submarine signals an escalation of British involvement in the region and a preparation for potential military action.